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Side-by-side comparison · Writing & Translation

Grammarly vs Jenni AI

Everything that matters when choosing between them, in one place: our rating, what each can do, what they cost, and the trade-offs.

Best overall

Grammarly

4.3

From $12/member/mo

Jenni AI

3.7

From $0

Comparing 2 tools. Add one more if you like.

At a glance

Best overallBest valueEasiest to use

Pick it if: Anyone who writes emails, documents and messages at work and wants mistakes caught and tone checked before they hit send.

Pick it if: Students, academics and anyone writing reports that need real sources and properly formatted citations.

Overview

AttributeGrammarlyJenni AI
In one lineFixes grammar, clarity and tone in your writing, wherever you type.Helps you write essays and research papers, with real citations and PDF chat.
Pricing modelFreemiumFreemium
Starting price$12/member/mo$0
Free plan Yes Yes
Works with Claude Code No No

Rating breakdown

Our scores out of 5. The higher bar in each row is highlighted.

AttributeGrammarlyJenni AI
Overall rating4.3Winner3.7
Ease of useHow quickly someone non-technical gets value from it.
5.0
4.0
FeaturesHow completely it covers its own job, and how well the pieces fit together.
4.5
4.0
Output qualityHow good the results are before you fix them.
4.0
3.5
Value for moneyWhat you get for the price, including the free plan.
3.5
3.0
Speed & reliabilityHow fast it is and how often it falls over.
4.5
4.0

Feature comparison

A tick means it does this today. A dash means we haven't checked.

AttributeGrammarlyJenni AI
Access & platform
Free plan Yes Yes
Mobile app Yes No
Desktop app Yes–
Browser extension Yes Yes
API access– No
Teams & business
Team workspace Yes Yes
Enterprise plan or SSO Yes–
Connects to other apps Yes Yes
Open source or self-hosted No No
AI abilities
Works with your files– Yes
Understands images––
Makes images No No
Makes video No No
Writes code No No
Runs agents or automations– No
Learns your brand or style Yes–
Works in many languages– Yes
Capabilities score8/ 176/ 17

Pricing

Plans as listed on each vendor's site when we last checked. Confirm before you buy.

AttributeGrammarlyJenni AI
Plans

Free

Free

Basic spelling and grammar checks.

Free

$0

Trying it on one assignment.

ProOur pick

$12/member/mo billed yearly, or about $30 monthly

Anyone who writes a lot at work, alone or in a team.

PlusOur pick

$30/mo, or $12/mo billed yearly

Students writing most weeks.

Enterprise

Custom

Large organisations with security needs.

Pro

$73/mo, or $29/mo billed yearly

Researchers and heavy users.

Which plan to pickFree is enough for typo-catching. If you write for clients or customers every day, Pro on yearly billing is good value; paying monthly costs more than double.Try Free on one piece of work. If you'll use it all semester, Plus on yearly billing is the sensible pick. Pro only makes sense if you hit Plus's monthly limits.

Key features

AttributeGrammarlyJenni AI
Standout features
  • Live checking everywhere
  • Clarity and rewrites
  • Tone detection
  • AI writing assistant
  • Plagiarism and AI detection
  • Team style guides
  • AI autocomplete
  • Citations
  • Chat with PDFs
  • AI edits and reviews
  • Workflows

Pros and cons

AttributeGrammarlyJenni AI
Pros
  • Works live in almost every app you type in
  • Free plan is useful for everyday spelling and grammar
  • Tone feedback helps with tricky messages
  • Team style guides keep company writing consistent
  • Yearly Pro price is reasonable for daily use
  • Citations in thousands of styles, built into the editor
  • Autocomplete keeps you writing instead of pasting
  • Ask questions of your own PDFs
  • Free plan includes unlimited citations
Cons
  • Free plan no longer includes sentence rewrites and caps AI prompts at 100 a month
  • Monthly billing costs more than double the yearly rate
  • Accepting every suggestion can strip your own voice
  • Strongest in English only
  • Withdrew its "Expert Review" feature in 2026 after a lawsuit over using authors' identities
  • Expensive month to month
  • Pricing page leads with yearly prices
  • Free plan's 10 autocompletes a day run out fast
  • Can break academic rules if you hand in its writing as your own
  • Less useful for everyday business writing

Who each one is for

AttributeGrammarlyJenni AI
Best for
  • Proofreading emails and documents as you type
  • Checking tone before a tricky message goes out
  • Writing at work in English as a second language
  • Keeping a team's writing style consistent
  • Plagiarism checks on content
  • Writing essays and research papers
  • Adding citations in APA, MLA or Harvard
  • Asking questions of research PDFs
  • Getting past a blank page on a long report
You'll find it used by
  • Office staff
  • Sales and support teams
  • Non-native English writers
  • Students
  • Marketers
  • University students
  • PhD candidates
  • Researchers
  • Academics
  • Report writers

Questions people ask

Which is better, Grammarly or Jenni AI?

Grammarly scores highest overall in our ratings (Grammarly 4.3/5 and Jenni AI 3.7/5). Grammarly is best for proofreading emails and documents as you type and checking tone before a tricky message goes out. Jenni AI is best for writing essays and research papers and adding citations in APA, MLA or Harvard.

Which is cheaper, Grammarly or Jenni AI?

Grammarly: There's a free plan, and paid plans start at $12/member/mo. Jenni AI: There's a free plan, and paid plans start at $0.

Which is easier to use, Grammarly or Jenni AI?

Grammarly rates highest for ease of use in our scores. Anyone who writes emails, documents and messages at work and wants mistakes caught and tone checked before they hit send.

How we compare

Ratings are our own, from using each tool, across ease of use, features, output quality, value for money, speed & reliability.

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